<nav aria-label="Navigation">
    <a href="{{ .Site.BaseURL }}" class="project">
        <div class="banner">
            {{ with .Site.Params.logo }}
            <div class="logo">
                <img src="{{ $.Site.BaseURL }}{{ . }}">
            </div>
            {{ end }}
            <div class="name">
                <strong>{{ .Site.Title }} {{ with .Site.Params.version }}<span class="version">{{ . }}</span>{{ end }}</strong> {{ with .Scratch.Get "repo_id" }}
                <br> {{ . }} {{ end }}
            </div>
        </div>
    </a>

    <div class="scrollable">
        <div class="wrapper">
            {{ if (eq (trim .Site.Params.provider " " | lower) "github") | and (isset .Site.Params "repo_url") }}
            <ul class="repo">
                <li class="repo-download">
                    <a href="{{ .Site.Params.repo_url }}/archive/master.zip" target="_blank" title="Download" data-action="download">
                        <i class="icon icon-download"></i> Download
                    </a>
                </li>
                <li class="repo-stars">
                    <a href="{{ .Site.Params.repo_url }}/stargazers" target="_blank" title="Stargazers" data-action="star">
                        <i class="icon icon-star"></i> Stars
                        <span class="count">&ndash;</span>
                    </a>
                </li>
            </ul>
            <hr> {{ end }}

            <div class="toc">
                {{ if gt (len .Site.Menus.main) 0 }}
                <ul>
                    {{ partial "nav" . }}
                </ul>
                {{ end }} {{ if isset .Site.Params "author" }}
                <hr>
                <span class="section">关于作者</span>

                <ul>
                    {{ with .Site.Social.twitter }}
                    <li>
                        <a href="https://twitter.com/{{ . }}" target="_blank" title="@{{ . }} on Twitter">
              @{{ . }} on Twitter
            </a>
                    </li>
                    {{ end }} {{ with .Site.Social.github }}
                    <li>
                        <a href="https://github.com/{{ . }}" target="_blank" title="@{{ . }} on GitHub">
              @{{ . }} on GitHub
            </a>
                    </li>
                    {{ end }} {{ with .Site.Social.email }}
                    <li>
                        <a href="mailto:{{ . }}" title="Email of {{ . }}">
              Contact via email
            </a>
                    </li>
                    {{ end }}
                </ul>
                {{ end }}
            </div>
        </div>
    </div>
</nav>